Top 20 NuGet Silverlight Packages

Converters for Xamarin.Forms.
Popups for Xamarin.Forms.
OpenRiaServices.Client.Core provides the OpenRiaServices.DomainServices.Client and OpenRiaServices.DomainServices.Client.Web assemblies for your client projects.
A lightweight PCL framework that helps you develop MVVM Xamarin.Forms applications easily.
A set of key components for building XAML-based UI using MVVM
A lightweight PCL framework that helps you develop MVVM Xamarin.Forms applications easily.
A lightweight starter project kit for Xamarin.Forms.
Smart navigation library wpd provider
MvvmFlex.Forms is a MVVM framework built for Xamarin.Forms.
MrAdvice.MVVM is a lightweight MVVM library. It implements NotifyPropertyChanged, DependencyProperty (dependency and attached), A command binder and some threading management.
This package contains the 'CouchBaseLite' plugin for MvvmCross.
MVVM<BareknuckleStyle> higly extensible, yet lightweight implementation of INotifyPropprtyChanged
MVPVM Framework Core Library
MVPVM Framework Application Module Project
Aurora Framework Syncfusion Container for docked views
MVPVM Framework Application All
Navigation for Xamarin.Forms.
Framework simplifying the concept of opening dialogs from a view model when using MVVM in WPF or UWP.
Reactive navigation for MVVM applications
Core XAML Components: View Models, Converters, etc.